名校
解题方法
1 . 已知点
关于
轴的对称点为
,关于原点的对称点为C.
(1)求
中过
,
边上中点的直线方程;
(2)求
边上高线所在的直线方程.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36828be50c7405bb08ec09c64c80bd5a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
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2020-10-27更新
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5卷引用:吉林省四平市实验中学2020-2021学年高二上学期12月月考数学文科试题